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Zig Requires Chilkat v11.0.0+

Outlook -- Create Reply Email, Update, and Send

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Creates a reply email in the Drafts folder, updates the reply with information, and then sends the reply.

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Zig
const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

    var success: bool = false;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    const http = try chilkat.Http.init();
    defer http.deinit();

    // Use your previously obtained access token here:
    http.setAuthToken("MICROSOFT_GRAPH_ACCESS_TOKEN");

    // This example will search /Inbox for a message that will be replied to.
    // First we need to get the folder ID for /Inbox.
    // Then we'll search for messages based on some criteria, and reply to the 1st matching message.
    // To reply, we'll create the reply message in the Drafts folder, update it with content, and the send.

    // Get the folder ID for /Inbox from the folder map created by this example
    const ht_folder_map = try chilkat.Hashtable.init();
    defer ht_folder_map.deinit();
    const sb_map = try chilkat.StringBuilder.init();
    defer sb_map.deinit();
    sb_map.loadFile("qa_data/outlook/folderMap.xml", "utf-8") catch {};
    ht_folder_map.addFromXmlSb(sb_map) catch {};

    // Get the ID for the "/Inbox" folder:
    const folder_id = ht_folder_map.lookupStr(alloc, "/Inbox") catch {
        std.debug.print("Folder ID not found\n", .{});
        return;
    };

    success = true;
    const json = try chilkat.JsonObject.init();
    defer json.deinit();
    json.setEmitCompact(false);

    // Search for unread emails in this folder from support@chilkatsoft.com
    http.setUrlVar("folder_id", folder_id) catch {};
    http.setUrlVar("select", "id,subject") catch {};
    http.setUrlVar("filter", "(isRead eq false) and (from/emailAddress/address eq 'support@chilkatsoft.com')") catch {};

    const sb_response = try chilkat.StringBuilder.init();
    defer sb_response.deinit();
    success = if (http.quickGetSb("https://graph.microsoft.com/v1.0/me/mailFolders/{$folder_id}/messages?$filter={$filter}&$select={$select}", sb_response)) true else |_| false;
    if (!success) {
        std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        return;
    }

    json.loadSb(sb_response) catch {};
    // Show the results..
    std.debug.print("{s}\n", .{try json.emit(alloc)});

    if (json.sizeOfArray("value") == 0) {
        std.debug.print("Empty result set.\n", .{});
        return;
    }

    // Sample results:

    // {
    //   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/mailFolders('AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA')/messages(id,subject)",
    //   "value": [
    //     {
    //       "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADOpwfq\"",
    //       "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj1wAAAA=",
    //       "subject": "This email contains a PDF attachment"
    //     },
    //     {
    //       "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADOpwfs\"",
    //       "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj14AAAA=",
    //       "subject": "This email has the word Amazon in the subject.."
    //     }
    //   ]
    // }

    // We'll create a reply for the 1st message in the result set.
    // We'll need the message existing id.

    const existing_msg_id = try json.stringOf(alloc, "value[0].id");

    // To create a reply, send a request such as the following:

    //     POST https://graph.microsoft.com/v1.0/me/messages/{id}/createReply
    //     Content-type: application/json
    //     Content-length: 248
    //
    //     {
    //       "comment": "comment-value"
    //     }

    const json_request_body = try chilkat.JsonObject.init();
    defer json_request_body.deinit();
    json_request_body.updateString("comment", "This is a comment") catch {};

    http.setUrlVar("message_id", existing_msg_id) catch {};

    // Create the reply in the Drafts folder:
    const resp = try chilkat.HttpResponse.init();
    defer resp.deinit();
    success = if (http.httpJson("POST", "https://graph.microsoft.com/v1.0/me/messages/{$message_id}/createReply", json_request_body, "application/json", resp)) true else |_| false;
    if (!success) {
        std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        return;
    }

    // A 201 response indicates success.
    if (resp.getStatusCode() == 201) {
        std.debug.print("Created reply draft.\n", .{});
        success = true;
    } else {
        std.debug.print("Response status code = {d}\n", .{resp.getStatusCode()});
        std.debug.print("Failed to create reply draft.\n", .{});
        success = false;
    }

    // Show the response in both cases..
    const json_response = try chilkat.JsonObject.init();
    defer json_response.deinit();
    json_response.setEmitCompact(false);
    json_response.load(try resp.getBodyStr(alloc)) catch {};
    std.debug.print("{s}\n", .{try json_response.emit(alloc)});
    if (!success) {
        return;
    }

    // ----------------------------------------------
    // Get the message id of the newly created reply.
    const reply_msg_id = try json_response.stringOf(alloc, "id");

    // Update the message with new text in the body..
    // Send an HTTP PATCH request that looks something like this:
    // Only send the message parts that are changing.

    //     PATCH https://graph.microsoft.com/v1.0/me/messages/{reply_message_id}
    //     Content-type: application/json
    //     Content-length: 248
    //
    //     {
    //       "subject": "subject-value",
    //       "body": {
    //         "contentType": "html",
    //         "content": "updated HTML goes here"
    //       },
    //       "inferenceClassification": "other"
    //     }

    const json_patch = try chilkat.JsonObject.init();
    defer json_patch.deinit();
    json_patch.updateString("body.contentType", "html") catch {};

    // The reply email that Outlook created will contain the original message under a horizontal rule.
    // The body.content should contain this substring:  "<body bgcolor=\"#FFFFFF\">\r\n<hr "
    // We're going to insert our reply after the body tag, and before the hr tag.
    const sb_html = try chilkat.StringBuilder.init();
    defer sb_html.deinit();
    json_response.stringOfSb("body.content", sb_html) catch {};
    // Insert the response HTML in the reply HTML body.
    const num_replaced = sb_html.replaceBetween("<body bgcolor=\"#FFFFFF\">", "<hr ", "\r\n", "<p>This is my response.</p>");
    if (num_replaced != 1) {
        std.debug.print("Something is amiss!\n", .{});
        return;
    }

    json_patch.updateString("body.content", try sb_html.getAsString(alloc)) catch {};

    // Add additional CC, BCC, or TO recipients like this:
    const num_to_recipients = json_response.sizeOfArray("toRecipients");
    var i: i32 = 0;
    // Copy existing TO recipients.
    while (i < num_to_recipients) {
        json_patch.setI(i);
        json_response.setI(i);
        json_patch.updateString("toRecipients[i].emailAddress.name", try json_response.stringOf(alloc, "toRecipients[i].emailAddress.name")) catch {};
        json_patch.updateString("toRecipients[i].emailAddress.address", try json_response.stringOf(alloc, "toRecipients[i].emailAddress.address")) catch {};
        i = i + 1;
    }

    // Add an additional TO recipient.
    json_patch.setI(num_to_recipients);
    json_patch.updateString("toRecipients[i].emailAddress.name", "Chilkat") catch {};
    json_patch.updateString("toRecipients[i].emailAddress.address", "admin@chilkat.io") catch {};

    const num_cc_recipients = json_response.sizeOfArray("ccRecipients");
    i = 0;
    // Copy existing CC recipients.
    while (i < num_cc_recipients) {
        json_patch.setI(i);
        json_response.setI(i);
        json_patch.updateString("ccRecipients[i].emailAddress.name", try json_response.stringOf(alloc, "ccRecipients[i].emailAddress.name")) catch {};
        json_patch.updateString("ccRecipients[i].emailAddress.address", try json_response.stringOf(alloc, "ccRecipients[i].emailAddress.address")) catch {};
        i = i + 1;
    }

    // Add an additional CC recipient.
    json_patch.setI(num_cc_recipients);
    json_patch.updateString("ccRecipients[i].emailAddress.name", "Chilkat GMail") catch {};
    json_patch.updateString("ccRecipients[i].emailAddress.address", "chilkat.support@gmail.com") catch {};

    json_patch.setEmitCompact(false);
    std.debug.print("{s}\n", .{try json_patch.emit(alloc)});

    http.setUrlVar("message_id", reply_msg_id) catch {};
    success = if (http.httpJson("PATCH", "https://graph.microsoft.com/v1.0/me/messages/{$message_id}", json_patch, "application/json", resp)) true else |_| false;
    if (!success) {
        std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        return;
    }

    // A 200 response indicates success.
    if (resp.getStatusCode() == 200) {
        std.debug.print("Patched the reply draft.\n", .{});
        success = true;
    } else {
        std.debug.print("Response status code = {d}\n", .{resp.getStatusCode()});
        std.debug.print("Failed to patch the reply draft.\n", .{});
        success = false;
    }

    // Show the response in both cases..
    json_response.load(try resp.getBodyStr(alloc)) catch {};
    std.debug.print("{s}\n", .{try json_response.emit(alloc)});
    if (!success) {
        return;
    }

    // ---------------------------------------------------------------------
    // OK, let's send the reply email...
    // To send, POST with an empty request body:
    // POST https://graph.microsoft.com/v1.0/me/messages/{id}/send
    http.httpStr("POST", "https://graph.microsoft.com/v1.0/me/messages/{$message_id}/send", "", "", "", resp) catch {
        std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        return;
    };

    // A 202 response indicates success.
    if (resp.getStatusCode() == 202) {
        std.debug.print("Sent the email reply.\n", .{});
        // If the status code was 202, there is no response body.
    } else {
        std.debug.print("Response status code = {d}\n", .{resp.getStatusCode()});
        std.debug.print("Failed to send the email reply.\n", .{});
        json_response.load(try resp.getBodyStr(alloc)) catch {};
        std.debug.print("{s}\n", .{try json_response.emit(alloc)});
    }

    std.debug.print("Finished.\n", .{});

    // -----------------------------------------------------------------------
    // A sample successful JSON response for the createReply looks like this:

    //     {
    //       "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#message",
    //       "@odata.type": "#microsoft.graph.message",
    //       "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADQAwR4\"",
    //       "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEPAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM-lQbAAAAA=",
    //       "createdDateTime": "2017-06-01T14:31:56Z",
    //       "lastModifiedDateTime": "2017-06-01T14:31:56Z",
    //       "changeKey": "CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADQAwR4",
    //       "categories": [
    //       ],
    //       "receivedDateTime": "2017-06-01T14:31:56Z",
    //       "sentDateTime": "2017-06-01T14:31:56Z",
    //       "hasAttachments": false,
    //       "internetMessageId": "<SN1PR20MB0461AF40FC899A8462536F04E6F60@SN1PR20MB0461.namprd20.prod.outlook.com>",
    //       "subject": "RE: This email contains a PDF attachment",
    //       "bodyPreview": "________________________________\r\nFrom: Chilkat Software <support@chilkatsoft.com>\r\nSent: Tuesday, May 30, 2017 10:58:56 PM\r\nTo: chilkatsoft@outlook.com\r\nSubject: This email contains a PDF attachment\r\n\r\nThis email contains a PDF attachment\r\n--\r\nBest Regar",
    //       "importance": "normal",
    //       "parentFolderId": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEPAAAA",
    //       "conversationId": "AQQkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAQAMMaWY-CWmVOqNKt-NiVhkU=",
    //       "isDeliveryReceiptRequested": false,
    //       "isReadReceiptRequested": false,
    //       "isRead": true,
    //       "isDraft": true,
    //       "webLink": "https://outlook.live.com/owa/?ItemID=AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5%2BvF7TKKdE6bGCRqXyl2PQAAAgEPAAAA5%2BvF7TKKdE6bGCRqXyl2PQAAAM%2FlQbAAAAA%3D&exvsurl=1&viewmodel=ReadMessageItem",
    //       "inferenceClassification": "focused",
    //       "body": {
    //         "contentType": "html",
    //         "content": "<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\r\n<meta content=\"text/html; charset=us-ascii\">\r\n<meta content=\"text/html; charset=utf-8\">\r\n</head>\r\n<body bgcolor=\"#FFFFFF\">\r\n<hr tabindex=\"-1\" style=\"display:inline-block; width:98%\"> ... </html>\r\n"
    //       },
    //       "sender": {
    //         "emailAddress": {
    //           "name": "Matt Smith",
    //           "address": "chilkatsoft@outlook.com"
    //         }
    //       },
    //       "from": {
    //         "emailAddress": {
    //           "name": "Matt Smith",
    //           "address": "chilkatsoft@outlook.com"
    //         }
    //       },
    //       "toRecipients": [
    //         {
    //           "emailAddress": {
    //             "name": "Chilkat Software",
    //             "address": "support@chilkatsoft.com"
    //           }
    //         }
    //       ],
    //       "ccRecipients": [
    //       ],
    //       "bccRecipients": [
    //       ],
    //       "replyTo": [
    //       ]
    //     }
    //

    // -----------------------------------------------------------------------
    // A sample successful PATCH JSON response looks like this:

    //     {
    //       "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('admin%40chilkat.io')/messages/$entity",
    //       "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADQAwSA\"",
    //       "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEPAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM-lQbMAAAA=",
    //       "createdDateTime": "2017-06-01T15:18:14Z",
    //       "lastModifiedDateTime": "2017-06-01T15:18:17Z",
    //       "changeKey": "CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADQAwSA",
    //       "categories": [
    //       ],
    //       "receivedDateTime": "2017-06-01T15:18:15Z",
    //       "sentDateTime": "2017-06-01T15:18:15Z",
    //       "hasAttachments": false,
    //       "internetMessageId": "<SN1PR20MB046138C4A26051200764FE38E6F60@SN1PR20MB0461.namprd20.prod.outlook.com>",
    //       "subject": "RE: This email has the word Amazon in the subject..",
    //       "bodyPreview": "This is my response.\r\n\r\n________________________________\r\nFrom: Chilkat Software <support@chilkatsoft.com>\r\nSent: Tuesday, May 30, 2017 11:40:01 PM\r\nTo: Chilkat Software\r\nSubject: This email has the word Amazon in the subject..\r\n\r\nThis email has the word ",
    //       "importance": "normal",
    //       "parentFolderId": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEPAAAA",
    //       "conversationId": "AQQkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAQAE64PfPP1n1IhU4YasnNN0Q=",
    //       "isDeliveryReceiptRequested": false,
    //       "isReadReceiptRequested": false,
    //       "isRead": true,
    //       "isDraft": true,
    //       "webLink": "https://outlook.live.com/owa/?ItemID=AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5%2BvF7TKKdE6bGCRqXyl2PQAAAgEPAAAA5%2BvF7TKKdE6bGCRqXyl2PQAAAM%2FlQbMAAAA%3D&exvsurl=1&viewmodel=ReadMessageItem",
    //       "inferenceClassification": "focused",
    //       "body": {
    //         "contentType": "html",
    //         "content": "<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\r\n<meta content=\"text/html; charset=us-ascii\">\r\n<meta content=\"text/html; charset=us-ascii\">\r\n<meta content=\"text/html; charset=utf-8\">\r\n</head>\r\n<body bgcolor=\"#FFFFFF\">\r\n<p>This is my response.</p>\r\n<hr tabindex=\"-1\" style=\"display:inline-block; width:98%\">\r\n<div id=\"divRplyFwdMsg\" dir=\"ltr\"><font face=\"Calibri, sans-serif\" color=\"#000000\" style=\"font-size:11pt\"><b>From:</b> Chilkat Software &lt;support@chilkatsoft.com&gt;<br>\r\n<b>Sent:</b> Tuesday, May 30, 2017 11:40:01 PM<br>\r\n<b>To:</b> Chilkat Software<br>\r\n<b>Subject:</b> This email has the word Amazon in the subject..</font>\r\n<div>&nbsp;</div>\r\n</div>\r\n<div><font face=\"Calibri\">This email has the word Amazon in the subject..</font><br>\r\n<div class=\"moz-signature\">-- <br>\r\nBest Regards,<br>\r\nMatt Smith<br>\r\nChilkat Software, Inc.<br>\r\n<p><a href=\"https://twitter.com/chilkatsoft\">Follow Chilkat on Twitter</a> </p>\r\n</div>\r\n</div>\r\n</body>\r\n</html>\r\n"
    //       },
    //       "sender": {
    //         "emailAddress": {
    //           "name": "Matt Smith",
    //           "address": "chilkatsoft@outlook.com"
    //         }
    //       },
    //       "from": {
    //         "emailAddress": {
    //           "name": "Matt Smith",
    //           "address": "chilkatsoft@outlook.com"
    //         }
    //       },
    //       "toRecipients": [
    //         {
    //           "emailAddress": {
    //             "name": "Chilkat Software",
    //             "address": "support@chilkatsoft.com"
    //           }
    //         }
    //       ],
    //       "ccRecipients": [
    //       ],
    //       "bccRecipients": [
    //       ],
    //       "replyTo": [
    //       ]
    //     }
}